Analysis
- max time kernel
149s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/09/2026, 15:14
General
- Target Doc011492202501161354020220906134.pdf.JS.js
- Size 12.2MB
- Sample260910-smfxpsdl3v
- SHA256 5bf6ab8b14cfdff9b720060897fe49158c30345e2c63ed18421b6e18d1077ead
Malware Config
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication 6 IoCs
Network activity triggered a Suricata alert
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 7 IoCs
Network activity triggered a Suricata alert
- Executes dropped EXE 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Modifies registry class 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Doc011492202501161354020220906134.pdf.JS.js1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\FUGBDYYPWCZHMQCD.PIF"C:\Users\Admin\Documents\FUGBDYYPWCZHMQCD.PIF" C:\Users\Admin\Documents\FUGBDYYPWCZHMQCD.ttf2⤵
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c whoami3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\whoami.exewhoami4⤵
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /query /tn "FUGBDYYPWCZHMQCD" 2>nul3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\schtasks.exeschtasks /query /tn "FUGBDYYPWCZHMQCD"4⤵
-
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /create /sc minute /mo 15 /tn "FUGBDYYPWCZHMQCD" /tr "cmd /c \"C:\Users\Admin\Documents\DCQMHZCWPYYDBGUF.url\"" /ru "dlawbtbf\admin" /f /it3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 15 /tn "FUGBDYYPWCZHMQCD" /tr "cmd /c \"C:\Users\Admin\Documents\DCQMHZCWPYYDBGUF.url\"" /ru "dlawbtbf\admin" /f /it4⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
-
C:\Windows\system32\cmd.execmd1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
FUGBDYYPWCZHMQCD.PIF
FUGBDYYPWCZHMQCD.ttf
FUGBDYYPWCZHMQCD.ubf
memory/3396-10-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-11-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-12-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-13-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-22-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-66-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-76-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-75-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-74-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-73-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-72-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-71-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-70-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-69-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-68-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-67-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-65-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-64-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-62-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-61-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-59-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-57-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-56-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-45-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-55-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-54-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-53-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-52-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-51-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-50-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-49-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-48-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-47-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-46-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-42-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-41-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-40-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-39-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-38-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-37-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-36-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-35-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-34-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-33-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-32-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-31-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-30-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-29-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-25-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-26-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-24-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-23-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-21-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-20-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-19-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-18-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-17-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-63-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-60-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-58-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-44-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-43-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-28-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/3396-27-0x000000002A4F0000-0x000000002A500000-memory.dmp